20 Most Recent Cisco 2501 Router Questions & Answers

how are you connecting to the router?

Is it by the serial cable or network cable ?

Is it internet connection of just wireless connection?

Ok, great....
The 3ms to 10ms is where the reply times should be.
On your original question you stated 147ms - 87ms, but with a drop to 6ms-7ms (which is where it should be)
So it sounds like your connection is just re-establishing at start up.
How long do you have the keep alive set for?
How long had the connection been inactive before you pinged it the first time?
What are you using for authentication? 3DES? or something less?
Was the person that programmed your Cisco's certified? (in other words, did he know what he was doing?)

And are you having any connection problems while it is running?

http://blogs.techrepublic.com.com/networking/?p=536

If this article doesn't work for you, I have a 2501 on my network and can see if I have any access-list settings in place. I'm not 100% sure that I do.

It would help if I knew which version of the IOS you were running as well.

show ip int brief This will show you the available interfaces and type.If you want to create on Fa0/0 for example the config will be as follows:
On configuration mode type
Interface fa0/0.[vlan Id]
encapsulation isl | dot1q [Vlan id]
Assuming you are using dot1q and terminating vlan 200 The config is as follows
int fa0/0.200
encapsulation dot1q 200
ip address --------

on Gig Port

Int gi0/0.200
encapsulation dot1q 200
ip address

The encapsulation used should match the switch trunk.Default encapsulation is isl on cisco switch.If you are connecting another vendor use dot1q encapsulation.

talk to CISCO on there official forum. real start here https://community.cisco.com/ why go anywhere else. as rules can be fluid , for sure if security gets more tight every day. talk to them , actual

these are the popular firewall for recent days: ·Packet filtering firewall ·Circuit-level gateway ·Stateful inspection firewall ·Application-level gateway (aka proxy firewall) ·Next-generation firewall

• Packet filtering - ...
• Stateful filtering - ...
• Routing support - ...
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• AAA support - ...
• VPN support - ...
• Supports IPv6 - ...
• VPN load Balancing -

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